/*
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * The Original Code is RhinoDB, released August 08, 2008.
 * 
 * Contributor(s): Alexandru Chiculita.
 * Alternatively, the contents of this file may be used under the terms of
 * the GNU General Public License Version 2 or later (the "GPL"), in which
 * case the provisions of the GPL are applicable instead of those above. If
 * you wish to allow use of your version of this file only under the terms of
 * the GPL and not to allow others to use your version of this file under the
 * MPL, indicate your decision by deleting the provisions above and replacing
 * them with the notice and other provisions required by the GPL. If you do
 * not delete the provisions above, a recipient may use your version of this
 * file under either the MPL or the GPL.
 * 
 * ***** END LICENSE BLOCK ***** */

package org.achicu.db.logics;

import org.achicu.db.StorageException;
import org.achicu.db.Store;
import org.achicu.db.values.StorableObject;
import org.achicu.db.values.StorableValue;

public class CollectionLogic implements Cloneable {

	protected Store store;
	protected int id;
	private String config = null; 
	protected boolean reverse = false;
	
	public void setStore(Store store){
		this.store = store;
	}

	public CollectionLogic(Store store){
		this.store = store;
	}
	
	public CollectionLogic(){
	}
	
	public CollectionLogic(Store store, int id){
		this.store = store;
		this.id = id;
	}
	
	public void setCollectionId(int id){
		this.id = id;
		if(config!=null){
			store.setCollectionConfig(this.id, config);
		}
	}
	
	public int getCollectionType(){
		return Store.NO_INDEX;
	}
	
	public boolean canAdd(StorableObject object) throws StorageException{
		return true;
	}
	
	public void add(StorableObject object) throws StorageException{
		store.addCollectionItem(id, object.getId());
	}
	
	public void remove(StorableObject object) throws StorageException{
		store.removeCollectionItem(id, object.getId());
	}
	
	public Integer [] getItems(int skip, int limit){
		return store.getCollectionItems(this.id, skip, limit, reverse, getCollectionType());
	}
	
	public String getConfig(){
		if(config==null && store!=null){
			config = store.getCollectionConfig(this.id);
		}
		return config;
	}
	
	public void setConfig(String config){
		this.config = config;
		if(this.id!=-1){
			store.setCollectionConfig(this.id, config);
		}
	}

	public void setReverse(boolean reverse) {
		this.reverse = reverse;
	}

	public boolean isReversed() {
		return reverse;
	}
	
	public CollectionLogic cloneLogic(){
		CollectionLogic result = null;
		try {
			return (CollectionLogic)super.clone();
		} catch (CloneNotSupportedException e) {
			e.printStackTrace();
		}
		return result;
	}
	
	public Integer[] getItems(StorableValue value, int skip, int limit){
		return null;
	}
	
}
